Wrench for plastic nuts



FIG. 1 is a perspective view of the wrench for plastic nuts showing my new design;

FIG. 2 is a right side elevational view; the left side being a mirror image thereof;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a wrench for plastic nuts, as shown and described. 